Mdr extractor #65
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Mdr extractor #65
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MDR extractor is base on https://pypi.python.org/pypi/mdr/ which can detect the listing data automatically and extract listing data with scrapely annnotation supervision.
since sometimes the extract data is empty, this will make the validated false. but we still want to add to extracted listing data to indicate there are some data missing on the page. also fix a problem when the annotation was added to other records rather than seed record. fix it by propogating the annotations to aligned elements.
tpeng
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also fixed a typo for the group name saved in annotation
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add MdrExtractor to parse the listing data. the output will be a separated field with the name as the group name set in the annotation (using listingDataGroupName) and the value is a list of dict extracted from each matched record.